Where do the names of Uranus moons (Ariel, Umbriel, Miranda, Titania, Oberon) come from?
German and Arthurian legends
Roman emperors and their wives
William Herschel, Englishman, discoverer of Uranus and its major moons, was very patriotic for naming. He originally named Uranus as "George Star" to honour king of England, but the name was changed later.